
																
																	Experimental study of binary solid solutions in the system CaMgSi2O6–CaFeSi2O6–NaFeSi2O6 and Mg and Fe partition between Ca(Mg,Fe)Si2O6 and K(Mg,Fe)3(AlSi3O10)[OH]2
																
																
																
															Keywords: clinopyroxene; diopside; hedenbergite; biotite; experimental study; cation exchange equilibria